Environment & Science

People who stayed up late Sunday night were treated to an incredible display of the northern lights, which were visible in the Lehigh Valley.

The National Weather Service issued a severe thunderstorm watch for Lehigh, Northampton, Carbon, Monroe and several other eastern Pennsylvania counties.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Mayors in Allentown, Bethlehem and Easton are coming together to fight against worsening climate change and strengthen sustainability across the region. Two of the three cities have their own climate action plans.

There are plenty of ways to celebrate Earth Day on Saturday, April 22, in the Lehigh Valley.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., opened in January. The 20,000-square-foot, three-floor building cost $13.2 million and is one of the first buildings in the world expected to achieve a rigorous sustainability certification for buildings that give more than they take.

A few strong to severe thunderstorms are possible in the region on Saturday, with the main threat being damaging wind gusts, according to the National Weather Service.

Puerto Rico's electrical grid has been devastated by hurricanes due to worsening climate change. Ruth Santiago, a Bethlehem native, has a solution.

Swarms of non-biting midge flies last week were spotted in Bethlehem. LehighValleyNews.com spoke with Marten Edwards, chair of Muhlenberg College's biology department, to find out more about the insects.

The Lehigh Valley has endured nearly non-stop weekend rain since April, marking one of the region’s wettest springs. Despite high rainfall totals, flooding hasn't been a concern.

A stalled front could bring rain, clouds, and cooler temperatures to the Lehigh Valley this weekend, impacting major events like Allentown’s Blues, Brews & Barbeque and Bethlehem’s Juneteenth celebration.

Activists gathered outside Nature Nurture Center in Easton on Wednesday to support a ban on fracking in the Delaware River Basin.

The survey aims to capture opinions from local restaurants and eateries about single-use plastics.

Join the Watching the Skies guys at Shankweiler’s Drive-In next Tuesday, June 17, for a special filmed presentation on the "red planet," followed by a screening of the 1985 film "Explorers."

The grant, part of a $650,000 round of funding, came from the Foundation for Pennsylvania Watersheds, a State College-based nonprofit.

Township officials held their first public meeting on the Bushkill Creek Greenway Master Plan. It's a comprehensive, community-driven effort aimed at mitigating flooding, updating facilities and increasing accessibility.

Temperatures climbed well into the upper 80s this week in the Lehigh Valley, teasing that classic summer milestone — the first 90-degree day of the year.

The $13 million contract was with the Local Food Purchasing Assistance Program. A pandemic-era program, commonwealth farmers were paid to supply local food banks with fresh produce.

CDP, formerly known as the Carbon Disclosure Project, announced the scores Thursday. It’s the highest grade the city has received from CDP since officials started reporting in 2018.

Smoke drifted over the Great Lakes on Monday night and pushed east, the National Weather Service said, with forecasters warning it will result in smokier skies for the Lehigh Valley and large swaths of the eastern U.S. on Tuesday.

Antone “Tony” Pierucci has been selected to be the new executive director of The Delaware & Lehigh National Heritage Corridor.